Proverbs 7:3

¹⁸Therefore you shall lay up these words of mine in your heart and in your soul. You shall bind them for a sign on your hand, and they shall be for frontlets between your eyes. ¹⁹You shall teach them to your children, talking of them when you sit in your house, when you walk by the way, when you lie down, and when you rise up. ²⁰You shall write them on the door posts of your house and on your gates;

³Don’t let kindness and truth forsake you. Bind them around your neck. Write them on the tablet of your heart.

⁸You shall bind them for a sign on your hand, and they shall be for frontlets between your eyes. ⁹You shall write them on the door posts of your house and on your gates.

³³“But this is the covenant that I will make with the house of Israel after those days,” says the LORD: “I will put my law in their inward parts, and I will write it in their heart. I will be their God, and they shall be my people.

³being revealed that you are a letter of Christ, served by us, written not with ink, but with the Spirit of the living God; not in tablets of stone, but in tablets that are hearts of flesh.

⁸Now go, write it before them on a tablet, and inscribe it in a book, that it may be for the time to come forever and ever.

²¹Bind them continually on your heart. Tie them around your neck.

¹“The sin of Judah is written with a pen of iron, and with the point of a diamond. It is engraved on the tablet of their heart, and on the horns of your altars.